detect nearly translate-only matrices when drawing bitmaps (for speed)
rename setXfermode(Mode) to setXfermodeMode(Mode) for sanity
fix memory leak in setXfermode(Mode)



git-svn-id: http://skia.googlecode.com/svn/trunk@239 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 0495903..8b2a21b 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -1437,7 +1437,7 @@
     return mode;
 }
 
-SkXfermode* SkPaint::setXfermode(SkXfermode::Mode mode) {
+SkXfermode* SkPaint::setXfermodeMode(SkXfermode::Mode mode) {
     SkSafeUnref(fXfermode);
     fXfermode = SkXfermode::Create(mode);
     return fXfermode;